Pileus Git - ~andy/gtk/blob - gtk/gtklistitem.c

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Library General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include "gtkbindings.h"
  21 #include "gtklabel.h"
  22 #include "gtklistitem.h"
  23 #include "gtklist.h"
  24 #include "gtksignal.h"
  25 #include <gdk/gdkkeysyms.h>
  26
  27
  28 enum
  29 {
  30   TOGGLE_FOCUS_ROW,
  31   SELECT_ALL,
  32   UNSELECT_ALL,
  33   UNDO_SELECTION,
  34   START_SELECTION,
  35   END_SELECTION,
  36   TOGGLE_ADD_MODE,
  37   EXTEND_SELECTION,
  38   SCROLL_VERTICAL,
  39   SCROLL_HORIZONTAL,
  40   LAST_SIGNAL
  41 };
  42
  43 static void gtk_list_item_class_init        (GtkListItemClass *klass);
  44 static void gtk_list_item_init              (GtkListItem      *list_item);
  45 static void gtk_list_item_realize           (GtkWidget        *widget);
  46 static void gtk_list_item_size_request      (GtkWidget        *widget,
  47                                              GtkRequisition   *requisition);
  48 static void gtk_list_item_size_allocate     (GtkWidget        *widget,
  49                                              GtkAllocation    *allocation);
  50 static void gtk_list_item_style_set         (GtkWidget        *widget,
  51                                              GtkStyle         *previous_style);
  52 static void gtk_list_item_draw              (GtkWidget        *widget,
  53                                              GdkRectangle     *area);
  54 static void gtk_list_item_draw_focus        (GtkWidget        *widget);
  55 static gint gtk_list_item_button_press      (GtkWidget        *widget,
  56                                              GdkEventButton   *event);
  57 static gint gtk_list_item_expose            (GtkWidget        *widget,
  58                                              GdkEventExpose   *event);
  59 static gint gtk_list_item_focus_in          (GtkWidget        *widget,
  60                                              GdkEventFocus    *event);
  61 static gint gtk_list_item_focus_out         (GtkWidget        *widget,
  62                                              GdkEventFocus    *event);
  63 static void gtk_real_list_item_select       (GtkItem          *item);
  64 static void gtk_real_list_item_deselect     (GtkItem          *item);
  65 static void gtk_real_list_item_toggle       (GtkItem          *item);
  66
  67
  68 static GtkItemClass *parent_class = NULL;
  69 static guint list_item_signals[LAST_SIGNAL] = {0};
  70
  71
  72 GtkType
  73 gtk_list_item_get_type (void)
  74 {
  75   static GtkType list_item_type = 0;
  76
  77   if (!list_item_type)
  78     {
  79       static const GtkTypeInfo list_item_info =
  80       {
  81         "GtkListItem",
  82         sizeof (GtkListItem),
  83         sizeof (GtkListItemClass),
  84         (GtkClassInitFunc) gtk_list_item_class_init,
  85         (GtkObjectInitFunc) gtk_list_item_init,
  86         /* reserved_1 */ NULL,
  87         /* reserved_2 */ NULL,
  88         (GtkClassInitFunc) NULL,
  89       };
  90
  91       list_item_type = gtk_type_unique (gtk_item_get_type (), &list_item_info);
  92     }
  93
  94   return list_item_type;
  95 }
  96
  97 static void
  98 gtk_list_item_class_init (GtkListItemClass *class)
  99 {
 100   GtkObjectClass *object_class;
 101   GtkWidgetClass *widget_class;
 102   GtkItemClass *item_class;
 103
 104   object_class = (GtkObjectClass*) class;
 105   widget_class = (GtkWidgetClass*) class;
 106   item_class = (GtkItemClass*) class;
 107
 108   parent_class = gtk_type_class (gtk_item_get_type ());
 109
 110   list_item_signals[TOGGLE_FOCUS_ROW] =
 111     gtk_signal_new ("toggle_focus_row",
 112                     GTK_RUN_LAST | GTK_RUN_ACTION,
 113                     object_class->type,
 114                     GTK_SIGNAL_OFFSET (GtkListItemClass, toggle_focus_row),
 115                     gtk_marshal_NONE__NONE,
 116                     GTK_TYPE_NONE, 0);
 117   list_item_signals[SELECT_ALL] =
 118     gtk_signal_new ("select_all",
 119                     GTK_RUN_LAST | GTK_RUN_ACTION,
 120                     object_class->type,
 121                     GTK_SIGNAL_OFFSET (GtkListItemClass, select_all),
 122                     gtk_marshal_NONE__NONE,
 123                     GTK_TYPE_NONE, 0);
 124   list_item_signals[UNSELECT_ALL] =
 125     gtk_signal_new ("unselect_all",
 126                     GTK_RUN_LAST | GTK_RUN_ACTION,
 127                     object_class->type,
 128                     GTK_SIGNAL_OFFSET (GtkListItemClass, unselect_all),
 129                     gtk_marshal_NONE__NONE,
 130                     GTK_TYPE_NONE, 0);
 131   list_item_signals[UNDO_SELECTION] =
 132     gtk_signal_new ("undo_selection",
 133                     GTK_RUN_LAST | GTK_RUN_ACTION,
 134                     object_class->type,
 135                     GTK_SIGNAL_OFFSET (GtkListItemClass, undo_selection),
 136                     gtk_marshal_NONE__NONE,
 137                     GTK_TYPE_NONE, 0);
 138   list_item_signals[START_SELECTION] =
 139     gtk_signal_new ("start_selection",
 140                     GTK_RUN_LAST | GTK_RUN_ACTION,
 141                     object_class->type,
 142                     GTK_SIGNAL_OFFSET (GtkListItemClass, start_selection),
 143                     gtk_marshal_NONE__NONE,
 144                     GTK_TYPE_NONE, 0);
 145   list_item_signals[END_SELECTION] =
 146     gtk_signal_new ("end_selection",
 147                     GTK_RUN_LAST | GTK_RUN_ACTION,
 148                     object_class->type,
 149                     GTK_SIGNAL_OFFSET (GtkListItemClass, end_selection),
 150                     gtk_marshal_NONE__NONE,
 151                     GTK_TYPE_NONE, 0);
 152   list_item_signals[TOGGLE_ADD_MODE] =
 153     gtk_signal_new ("toggle_add_mode",
 154                     GTK_RUN_LAST | GTK_RUN_ACTION,
 155                     object_class->type,
 156                     GTK_SIGNAL_OFFSET (GtkListItemClass, toggle_add_mode),
 157                     gtk_marshal_NONE__NONE,
 158                     GTK_TYPE_NONE, 0);
 159   list_item_signals[EXTEND_SELECTION] =
 160     gtk_signal_new ("extend_selection",
 161                     GTK_RUN_LAST | GTK_RUN_ACTION,
 162                     object_class->type,
 163                     GTK_SIGNAL_OFFSET (GtkListItemClass, extend_selection),
 164                     gtk_marshal_NONE__ENUM_FLOAT_BOOL,
 165                     GTK_TYPE_NONE, 3,
 166                     GTK_TYPE_ENUM, GTK_TYPE_FLOAT, GTK_TYPE_BOOL);
 167   list_item_signals[SCROLL_VERTICAL] =
 168     gtk_signal_new ("scroll_vertical",
 169                     GTK_RUN_LAST | GTK_RUN_ACTION,
 170                     object_class->type,
 171                     GTK_SIGNAL_OFFSET (GtkListItemClass, scroll_vertical),
 172                     gtk_marshal_NONE__ENUM_FLOAT,
 173                     GTK_TYPE_NONE, 2, GTK_TYPE_ENUM, GTK_TYPE_FLOAT);
 174   list_item_signals[SCROLL_HORIZONTAL] =
 175     gtk_signal_new ("scroll_horizontal",
 176                     GTK_RUN_LAST | GTK_RUN_ACTION,
 177                     object_class->type,
 178                     GTK_SIGNAL_OFFSET (GtkListItemClass, scroll_horizontal),
 179                     gtk_marshal_NONE__ENUM_FLOAT,
 180                     GTK_TYPE_NONE, 2, GTK_TYPE_ENUM, GTK_TYPE_FLOAT);
 181
 182   gtk_object_class_add_signals (object_class, list_item_signals, LAST_SIGNAL);
 183
 184   widget_class->realize = gtk_list_item_realize;
 185   widget_class->size_request = gtk_list_item_size_request;
 186   widget_class->size_allocate = gtk_list_item_size_allocate;
 187   widget_class->style_set = gtk_list_item_style_set;
 188   widget_class->draw = gtk_list_item_draw;
 189   widget_class->draw_focus = gtk_list_item_draw_focus;
 190   widget_class->button_press_event = gtk_list_item_button_press;
 191   widget_class->expose_event = gtk_list_item_expose;
 192   widget_class->focus_in_event = gtk_list_item_focus_in;
 193   widget_class->focus_out_event = gtk_list_item_focus_out;
 194
 195   item_class->select = gtk_real_list_item_select;
 196   item_class->deselect = gtk_real_list_item_deselect;
 197   item_class->toggle = gtk_real_list_item_toggle;
 198
 199   class->toggle_focus_row = NULL;
 200   class->select_all = NULL;
 201   class->unselect_all = NULL;
 202   class->undo_selection = NULL;
 203   class->start_selection = NULL;
 204   class->end_selection = NULL;
 205   class->extend_selection = NULL;
 206   class->scroll_horizontal = NULL;
 207   class->scroll_vertical = NULL;
 208   class->toggle_add_mode = NULL;
 209
 210   {
 211     GtkBindingSet *binding_set;
 212
 213     binding_set = gtk_binding_set_by_class (class);
 214     gtk_binding_entry_add_signal (binding_set, GDK_Up, 0,
 215                                   "scroll_vertical", 2,
 216                                   GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
 217                                   GTK_TYPE_FLOAT, 0.0);
 218     gtk_binding_entry_add_signal (binding_set, GDK_Down, 0,
 219                                   "scroll_vertical", 2,
 220                                   GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
 221                                   GTK_TYPE_FLOAT, 0.0);
 222     gtk_binding_entry_add_signal (binding_set, GDK_Page_Up, 0,
 223                                   "scroll_vertical", 2,
 224                                   GTK_TYPE_ENUM, GTK_SCROLL_PAGE_BACKWARD,
 225                                   GTK_TYPE_FLOAT, 0.0);
 226     gtk_binding_entry_add_signal (binding_set, GDK_Page_Down, 0,
 227                                   "scroll_vertical", 2,
 228                                   GTK_TYPE_ENUM, GTK_SCROLL_PAGE_FORWARD,
 229                                   GTK_TYPE_FLOAT, 0.0);
 230     gtk_binding_entry_add_signal (binding_set, GDK_Home, GDK_CONTROL_MASK,
 231                                   "scroll_vertical", 2,
 232                                   GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
 233                                   GTK_TYPE_FLOAT, 0.0);
 234     gtk_binding_entry_add_signal (binding_set, GDK_End, GDK_CONTROL_MASK,
 235                                   "scroll_vertical", 2,
 236                                   GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
 237                                   GTK_TYPE_FLOAT, 1.0);
 238
 239     gtk_binding_entry_add_signal (binding_set, GDK_Up, GDK_SHIFT_MASK,
 240                                   "extend_selection", 3,
 241                                   GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
 242                                   GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
 243     gtk_binding_entry_add_signal (binding_set, GDK_Down, GDK_SHIFT_MASK,
 244                                   "extend_selection", 3,
 245                                   GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
 246                                   GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
 247     gtk_binding_entry_add_signal (binding_set, GDK_Page_Up, GDK_SHIFT_MASK,
 248                                   "extend_selection", 3,
 249                                   GTK_TYPE_ENUM, GTK_SCROLL_PAGE_BACKWARD,
 250                                   GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
 251     gtk_binding_entry_add_signal (binding_set, GDK_Page_Down, GDK_SHIFT_MASK,
 252                                   "extend_selection", 3,
 253                                   GTK_TYPE_ENUM, GTK_SCROLL_PAGE_FORWARD,
 254                                   GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
 255     gtk_binding_entry_add_signal (binding_set, GDK_Home,
 256                                   GDK_SHIFT_MASK | GDK_CONTROL_MASK,
 257                                   "extend_selection", 3,
 258                                   GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
 259                                   GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
 260     gtk_binding_entry_add_signal (binding_set, GDK_End,
 261                                   GDK_SHIFT_MASK | GDK_CONTROL_MASK,
 262                                   "extend_selection", 3,
 263                                   GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
 264                                   GTK_TYPE_FLOAT, 1.0, GTK_TYPE_BOOL, TRUE);
 265
 266
 267     gtk_binding_entry_add_signal (binding_set, GDK_Left, 0,
 268                                   "scroll_horizontal", 2,
 269                                   GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
 270                                   GTK_TYPE_FLOAT, 0.0);
 271     gtk_binding_entry_add_signal (binding_set, GDK_Right, 0,
 272                                   "scroll_horizontal", 2,
 273                                   GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
 274                                   GTK_TYPE_FLOAT, 0.0);
 275     gtk_binding_entry_add_signal (binding_set, GDK_Home, 0,
 276                                   "scroll_horizontal", 2,
 277                                   GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
 278                                   GTK_TYPE_FLOAT, 0.0);
 279     gtk_binding_entry_add_signal (binding_set, GDK_End, 0,
 280                                   "scroll_horizontal", 2,
 281                                   GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
 282                                   GTK_TYPE_FLOAT, 1.0);
 283
 284
 285     gtk_binding_entry_add_signal (binding_set, GDK_Escape, 0,
 286                                   "undo_selection", 0);
 287     gtk_binding_entry_add_signal (binding_set, GDK_space, 0,
 288                                   "toggle_focus_row", 0);
 289     gtk_binding_entry_add_signal (binding_set, GDK_space, GDK_CONTROL_MASK,
 290                                   "toggle_add_mode", 0);
 291     gtk_binding_entry_add_signal (binding_set, '/', GDK_CONTROL_MASK,
 292                                   "select_all", 0);
 293     gtk_binding_entry_add_signal (binding_set, '\\', GDK_CONTROL_MASK,
 294                                   "unselect_all", 0);
 295     gtk_binding_entry_add_signal (binding_set, GDK_Shift_L,
 296                                   GDK_RELEASE_MASK | GDK_SHIFT_MASK,
 297                                   "end_selection", 0);
 298     gtk_binding_entry_add_signal (binding_set, GDK_Shift_R,
 299                                   GDK_RELEASE_MASK | GDK_SHIFT_MASK,
 300                                   "end_selection", 0);
 301     gtk_binding_entry_add_signal (binding_set, GDK_Shift_R,
 302                                   GDK_RELEASE_MASK | GDK_SHIFT_MASK |
 303                                   GDK_CONTROL_MASK,
 304                                   "end_selection", 0);
 305   }
 306
 307 }
 308
 309 static void
 310 gtk_list_item_init (GtkListItem *list_item)
 311 {
 312   GTK_WIDGET_SET_FLAGS (list_item, GTK_CAN_FOCUS);
 313 }
 314
 315 GtkWidget*
 316 gtk_list_item_new (void)
 317 {
 318   return GTK_WIDGET (gtk_type_new (gtk_list_item_get_type ()));
 319 }
 320
 321 GtkWidget*
 322 gtk_list_item_new_with_label (const gchar *label)
 323 {
 324   GtkWidget *list_item;
 325   GtkWidget *label_widget;
 326
 327   list_item = gtk_list_item_new ();
 328   label_widget = gtk_label_new (label);
 329   gtk_misc_set_alignment (GTK_MISC (label_widget), 0.0, 0.5);
 330
 331   gtk_container_add (GTK_CONTAINER (list_item), label_widget);
 332   gtk_widget_show (label_widget);
 333
 334   return list_item;
 335 }
 336
 337 void
 338 gtk_list_item_select (GtkListItem *list_item)
 339 {
 340   gtk_item_select (GTK_ITEM (list_item));
 341 }
 342
 343 void
 344 gtk_list_item_deselect (GtkListItem *list_item)
 345 {
 346   gtk_item_deselect (GTK_ITEM (list_item));
 347 }
 348
 349
 350 static void
 351 gtk_list_item_realize (GtkWidget *widget)
 352 {
 353   GdkWindowAttr attributes;
 354   gint attributes_mask;
 355
 356   /*if (GTK_WIDGET_CLASS (parent_class)->realize)
 357     (* GTK_WIDGET_CLASS (parent_class)->realize) (widget);*/
 358
 359   g_return_if_fail (widget != NULL);
 360   g_return_if_fail (GTK_IS_LIST_ITEM (widget));
 361
 362   GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
 363
 364   attributes.x = widget->allocation.x;
 365   attributes.y = widget->allocation.y;
 366   attributes.width = widget->allocation.width;
 367   attributes.height = widget->allocation.height;
 368   attributes.window_type = GDK_WINDOW_CHILD;
 369   attributes.wclass = GDK_INPUT_OUTPUT;
 370   attributes.visual = gtk_widget_get_visual (widget);
 371   attributes.colormap = gtk_widget_get_colormap (widget);
 372   attributes.event_mask = (gtk_widget_get_events (widget) |
 373                            GDK_EXPOSURE_MASK |
 374                            GDK_BUTTON_PRESS_MASK |
 375                            GDK_BUTTON_RELEASE_MASK |
 376                            GDK_KEY_PRESS_MASK |
 377                            GDK_KEY_RELEASE_MASK |
 378                            GDK_ENTER_NOTIFY_MASK |
 379                            GDK_LEAVE_NOTIFY_MASK);
 380
 381   attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
 382   widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
 383   gdk_window_set_user_data (widget->window, widget);
 384
 385   widget->style = gtk_style_attach (widget->style, widget->window);
 386   gdk_window_set_background (widget->window,
 387                              &widget->style->base[GTK_STATE_NORMAL]);
 388 }
 389
 390 static void
 391 gtk_list_item_size_request (GtkWidget      *widget,
 392                             GtkRequisition *requisition)
 393 {
 394   GtkBin *bin;
 395
 396   g_return_if_fail (widget != NULL);
 397   g_return_if_fail (GTK_IS_LIST_ITEM (widget));
 398   g_return_if_fail (requisition != NULL);
 399
 400   bin = GTK_BIN (widget);
 401
 402   requisition->width = (GTK_CONTAINER (widget)->border_width +
 403                         widget->style->klass->xthickness) * 2;
 404   requisition->height = GTK_CONTAINER (widget)->border_width * 2;
 405
 406   if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
 407     {
 408       gtk_widget_size_request (bin->child, &bin->child->requisition);
 409
 410       requisition->width += bin->child->requisition.width;
 411       requisition->height += bin->child->requisition.height;
 412     }
 413 }
 414
 415 static void
 416 gtk_list_item_size_allocate (GtkWidget     *widget,
 417                              GtkAllocation *allocation)
 418 {
 419   GtkBin *bin;
 420   GtkAllocation child_allocation;
 421
 422   g_return_if_fail (widget != NULL);
 423   g_return_if_fail (GTK_IS_LIST_ITEM (widget));
 424   g_return_if_fail (allocation != NULL);
 425
 426   widget->allocation = *allocation;
 427   if (GTK_WIDGET_REALIZED (widget))
 428     gdk_window_move_resize (widget->window,
 429                             allocation->x, allocation->y,
 430                             allocation->width, allocation->height);
 431
 432   bin = GTK_BIN (widget);
 433
 434   if (bin->child)
 435     {
 436       child_allocation.x = (GTK_CONTAINER (widget)->border_width +
 437                             widget->style->klass->xthickness);
 438       child_allocation.y = GTK_CONTAINER (widget)->border_width;
 439       child_allocation.width = allocation->width - child_allocation.x * 2;
 440       child_allocation.height = allocation->height - child_allocation.y * 2;
 441
 442       gtk_widget_size_allocate (bin->child, &child_allocation);
 443     }
 444 }
 445
 446 static void
 447 gtk_list_item_style_set (GtkWidget      *widget,
 448                          GtkStyle       *previous_style)
 449 {
 450   g_return_if_fail (widget != NULL);
 451
 452   if (previous_style && GTK_WIDGET_REALIZED (widget))
 453     gdk_window_set_background (widget->window, &widget->style->base[GTK_WIDGET_STATE (widget)]);
 454 }
 455
 456 static void
 457 gtk_list_item_draw (GtkWidget    *widget,
 458                     GdkRectangle *area)
 459 {
 460   GtkBin *bin;
 461   GdkRectangle child_area;
 462
 463   g_return_if_fail (widget != NULL);
 464   g_return_if_fail (GTK_IS_LIST_ITEM (widget));
 465   g_return_if_fail (area != NULL);
 466
 467   if (GTK_WIDGET_DRAWABLE (widget))
 468     {
 469       bin = GTK_BIN (widget);
 470
 471       if (widget->state == GTK_STATE_NORMAL)
 472         {
 473           gdk_window_set_back_pixmap (widget->window, NULL, TRUE);
 474           gdk_window_clear_area (widget->window, area->x, area->y, area->width, area->height);
 475         }
 476       else
 477         {
 478           gtk_paint_flat_box(widget->style, widget->window,
 479                              widget->state, GTK_SHADOW_ETCHED_OUT,
 480                              area, widget, "listitem",
 481                              0, 0, -1, -1);
 482         }
 483
 484       if (bin->child && gtk_widget_intersect (bin->child, area, &child_area))
 485         gtk_widget_draw (bin->child, &child_area);
 486
 487       if (GTK_WIDGET_HAS_FOCUS (widget))
 488         {
 489           if (GTK_IS_LIST (widget->parent) && GTK_LIST (widget->parent)->add_mode)
 490             gtk_paint_focus (widget->style, widget->window,
 491                              NULL, widget, "add-mode",
 492                              0, 0,
 493                              widget->allocation.width - 1,
 494                              widget->allocation.height - 1);
 495           else
 496             gtk_paint_focus (widget->style, widget->window,
 497                              NULL, widget, NULL,
 498                              0, 0,
 499                              widget->allocation.width - 1,
 500                              widget->allocation.height - 1);
 501         }
 502     }
 503 }
 504
 505 static void
 506 gtk_list_item_draw_focus (GtkWidget *widget)
 507 {
 508   g_return_if_fail (widget != NULL);
 509   g_return_if_fail (GTK_IS_LIST_ITEM (widget));
 510
 511   gtk_widget_draw(widget, NULL);
 512 }
 513
 514 static gint
 515 gtk_list_item_button_press (GtkWidget      *widget,
 516                             GdkEventButton *event)
 517 {
 518   g_return_val_if_fail (widget != NULL, FALSE);
 519   g_return_val_if_fail (GTK_IS_LIST_ITEM (widget), FALSE);
 520   g_return_val_if_fail (event != NULL, FALSE);
 521
 522   if (event->type == GDK_BUTTON_PRESS)
 523     if (!GTK_WIDGET_HAS_FOCUS (widget))
 524       gtk_widget_grab_focus (widget);
 525
 526   return FALSE;
 527 }
 528
 529 static gint
 530 gtk_list_item_expose (GtkWidget      *widget,
 531                       GdkEventExpose *event)
 532 {
 533   GtkBin *bin;
 534   GdkEventExpose child_event;
 535
 536   g_return_val_if_fail (widget != NULL, FALSE);
 537   g_return_val_if_fail (GTK_IS_LIST_ITEM (widget), FALSE);
 538   g_return_val_if_fail (event != NULL, FALSE);
 539
 540   if (GTK_WIDGET_DRAWABLE (widget))
 541     {
 542       bin = GTK_BIN (widget);
 543
 544       if (!GTK_WIDGET_IS_SENSITIVE (widget))
 545         gdk_window_set_background (widget->window, &widget->style->bg[GTK_STATE_INSENSITIVE]);
 546       else if (widget->state == GTK_STATE_NORMAL)
 547         gdk_window_set_background (widget->window, &widget->style->base[GTK_STATE_NORMAL]);
 548       else
 549         gdk_window_set_background (widget->window, &widget->style->bg[widget->state]);
 550
 551       gdk_window_clear_area (widget->window, event->area.x, event->area.y,
 552                              event->area.width, event->area.height);
 553
 554       if (bin->child)
 555         {
 556           child_event = *event;
 557
 558           if (GTK_WIDGET_NO_WINDOW (bin->child) &&
 559               gtk_widget_intersect (bin->child, &event->area, &child_event.area))
 560             gtk_widget_event (bin->child, (GdkEvent*) &child_event);
 561         }
 562
 563       gtk_widget_draw_focus (widget);
 564     }
 565
 566   return FALSE;
 567 }
 568
 569 static gint
 570 gtk_list_item_focus_in (GtkWidget     *widget,
 571                         GdkEventFocus *event)
 572 {
 573   g_return_val_if_fail (widget != NULL, FALSE);
 574   g_return_val_if_fail (GTK_IS_LIST_ITEM (widget), FALSE);
 575   g_return_val_if_fail (event != NULL, FALSE);
 576
 577   GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
 578   gtk_widget_draw_focus (widget);
 579
 580   return FALSE;
 581 }
 582
 583 static gint
 584 gtk_list_item_focus_out (GtkWidget     *widget,
 585                          GdkEventFocus *event)
 586 {
 587   g_return_val_if_fail (widget != NULL, FALSE);
 588   g_return_val_if_fail (GTK_IS_LIST_ITEM (widget), FALSE);
 589   g_return_val_if_fail (event != NULL, FALSE);
 590
 591   GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
 592   gtk_widget_draw_focus (widget);
 593
 594   return FALSE;
 595 }
 596
 597 static void
 598 gtk_real_list_item_select (GtkItem *item)
 599 {
 600   g_return_if_fail (item != NULL);
 601   g_return_if_fail (GTK_IS_LIST_ITEM (item));
 602
 603   switch (GTK_WIDGET (item)->state)
 604     {
 605     case GTK_STATE_SELECTED:
 606     case GTK_STATE_INSENSITIVE:
 607       break;
 608     default:
 609       gtk_widget_set_state (GTK_WIDGET (item), GTK_STATE_SELECTED);
 610       break;
 611     }
 612 }
 613
 614 static void
 615 gtk_real_list_item_deselect (GtkItem *item)
 616 {
 617   g_return_if_fail (item != NULL);
 618   g_return_if_fail (GTK_IS_LIST_ITEM (item));
 619
 620   if (GTK_WIDGET (item)->state == GTK_STATE_SELECTED)
 621     gtk_widget_set_state (GTK_WIDGET (item), GTK_STATE_NORMAL);
 622 }
 623
 624 static void
 625 gtk_real_list_item_toggle (GtkItem *item)
 626 {
 627   g_return_if_fail (item != NULL);
 628   g_return_if_fail (GTK_IS_LIST_ITEM (item));
 629
 630   switch (GTK_WIDGET (item)->state)
 631     {
 632     case GTK_STATE_SELECTED:
 633       gtk_widget_set_state (GTK_WIDGET (item), GTK_STATE_NORMAL);
 634       break;
 635     case GTK_STATE_INSENSITIVE:
 636       break;
 637     default:
 638       gtk_widget_set_state (GTK_WIDGET (item), GTK_STATE_SELECTED);
 639       break;
 640     }
 641 }